captioning made possible by johnson & johnson, where quality products for the american family have been a tradition for generations good morning, i sunday morning. today is a national day of prayer and reflection in south africa, beginning of a week of ceremonies and observances to honor the memory of nelson mandela. his death this past thursday saddened people all over the world and remind us how much he accomplished against such daunting odds. martha teichner will be reporting our cover story. >> he was to post apartheid south africa what george washington was to us, the father of his nation. >> there is time for the healing of the wound has come. >> he bore no grudges in spite of spending 27 years in prison. he went in a revolutionary and came out a statesman who spent the rest of his life reconciling white and black in a country where the racial divide was a chasm. later this sunday morning, what made nelson mandela a great man. >> osgood: we will consider mandela's place among the greats of history. and then turn to the manner of centuries beneath the square, a symbol of the freema